Implement syscall 596 (#431)

Co-authored-by: tompro <tomas.prochazka@apertia.cz>
obhq · Nov 9, 2023 · 453cd5b · 453cd5b
1 parent d077133
commit 453cd5b
Showing 1 changed file with 15 additions and 0 deletions.
diff --git a/src/kernel/src/rtld/mod.rs b/src/kernel/src/rtld/mod.rs
@@ -162,6 +162,7 @@ impl<E: ExecutionEngine> RuntimeLinker<E> {
 
         sys.register(591, &ld, Self::sys_dynlib_dlsym);
         sys.register(592, &ld, Self::sys_dynlib_get_list);
+        sys.register(596, &ld, Self::sys_dynlib_do_copy_relocations);
         sys.register(598, &ld, Self::sys_dynlib_get_proc_param);
         sys.register(599, &ld, Self::sys_dynlib_process_needed_and_relocate);
         sys.register(608, &ld, Self::sys_dynlib_get_info_ex);
@@ -430,6 +431,20 @@ impl<E: ExecutionEngine> RuntimeLinker<E> {
         Ok(SysOut::ZERO)
     }
 
+    fn sys_dynlib_do_copy_relocations(self: &Arc<Self>, i: &SysIn) -> Result<SysOut, SysErr> {
+        if let Some(info) = self.app.file_info() {
+            for reloc in info.relocs() {
+                if reloc.ty() == Relocation::R_X86_64_COPY {
+                    return Err(SysErr::Raw(EINVAL));
+                }
+            }
+
+            Ok(SysOut::ZERO)
+        } else {
+            Err(SysErr::Raw(EPERM))
+        }
+    }
+
     fn sys_dynlib_get_proc_param(self: &Arc<Self>, i: &SysIn) -> Result<SysOut, SysErr> {
         // Get arguments.
         let param: *mut usize = i.args[0].into();